----Why did you leave without a word of warning to John? ----But what          otherwise? He never listens to me.
#87513
A
must I have done
B
should I do
C
could I have done
D
would I do
推荐题目
Mother _____ us stories when we were children.
#90119
A
was used to tell
B
is used to telling
C
used to tell
D
used to telling
I was really anxious about you.You ________ home without a word.
#86628
A
mustn't leave
B
shouldn't have left
C
couldn't have left
D
needn't leave